/* src/threads/native/threads.h - native threads header
- Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
- R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
- C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
- Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
+ C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
+ E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
+ J. Wenninger, Institut f. Computersprachen - TU Wien
This file is part of CACAO.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA.
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
- Contact: cacao@complang.tuwien.ac.at
+*/
- Authors: Stefan Ring
- Changes: Christian Thalinger
+#ifndef _THREADS_H
+#define _THREADS_H
- $Id: threads.h 3830 2005-12-01 23:07:33Z twisti $
+/* forward typedefs ***********************************************************/
-*/
+typedef struct threadobject threadobject;
-#ifndef _THREADS_H
-#define _THREADS_H
+#include "config.h"
#include <pthread.h>
-#include <semaphore.h>
#include <ucontext.h>
-#include "config.h"
-#include "vm/types.h"
-
-#include "config.h"
#include "vm/types.h"
#include "mm/memory.h"
#include "native/jni.h"
-#include "native/include/java_lang_Object.h" /* required by java/lang/VMThread*/
+#include "native/localref.h"
#include "native/include/java_lang_Thread.h"
-#include "native/include/java_lang_VMThread.h"
+
+#include "threads/native/lock.h"
+
#include "vm/global.h"
+#include "vm/jit/stacktrace.h"
+
+#if defined(ENABLE_INTRP)
+#include "vm/jit/intrp/intrp.h"
+#endif
+
#if defined(__DARWIN__)
-#include <mach/mach.h>
+# include <mach/mach.h>
-/* We need to emulate recursive mutexes. */
-#define MUTEXSIM
+typedef struct {
+ pthread_mutex_t mutex;
+ pthread_cond_t cond;
+ int value;
+} sem_t;
+
+#else
+# include <semaphore.h>
#endif
+/* current threadobject *******************************************************/
+
#if defined(HAVE___THREAD)
#define THREADSPECIFIC __thread
-#define THREADOBJECT ((java_lang_VMThread*) threadobj)
-#define THREADINFO (&threadobj->info)
+#define THREADOBJECT threads_current_threadobject
-extern __thread threadobject *threadobj;
+extern __thread threadobject *threads_current_threadobject;
#else /* defined(HAVE___THREAD) */
#define THREADSPECIFIC
-#define THREADOBJECT ((java_lang_VMThread*) pthread_getspecific(tkey_threadinfo))
-#define THREADINFO (&((threadobject*) pthread_getspecific(tkey_threadinfo))->info)
+#define THREADOBJECT \
+ ((threadobject *) pthread_getspecific(threads_current_threadobject_key))
-extern pthread_key_t tkey_threadinfo;
+extern pthread_key_t threads_current_threadobject_key;
#endif /* defined(HAVE___THREAD) */
-/* typedefs *******************************************************************/
+/* threadobject ****************************************************************
-typedef struct ExecEnvironment ExecEnvironment;
-typedef struct nativethread nativethread;
-typedef struct threadobject threadobject;
-typedef struct monitorLockRecord monitorLockRecord;
-typedef struct lockRecordPoolHeader lockRecordPoolHeader;
-typedef struct lockRecordPool lockRecordPool;
-typedef java_lang_Thread thread;
+ Struct holding thread local variables.
+
+*******************************************************************************/
+#define THREAD_FLAG_JAVA 0x01 /* a normal Java thread */
+#define THREAD_FLAG_INTERNAL 0x02 /* CACAO internal thread */
+#define THREAD_FLAG_DAEMON 0x04 /* daemon thread */
-/* ExecEnvironment *************************************************************
- Monitor lock implementation
+struct threadobject {
+ java_lang_Thread *object; /* link to java.lang.Thread object */
-*******************************************************************************/
+ ptrint thinlock; /* pre-computed thin lock value */
-struct ExecEnvironment {
- monitorLockRecord *firstLR;
- lockRecordPool *lrpool;
- int numlr;
-};
+ s4 index; /* thread index, starting with 1 */
+ u4 flags; /* flag field */
+ u4 state; /* state field */
+ pthread_t tid; /* pthread id */
-struct nativethread {
- threadobject *next;
- threadobject *prev;
- java_objectheader *_exceptionptr;
- void *_stackframeinfo;
- localref_table *_localref_table; /* JNI local references */
-#if defined(ENABLE_INTRP)
- void *_global_sp;
-#endif
- pthread_t tid;
#if defined(__DARWIN__)
- mach_port_t mach_thread;
+ mach_port_t mach_thread; /* Darwin thread id */
#endif
- pthread_mutex_t joinMutex;
- pthread_cond_t joinCond;
-};
-
-
-/* threadobject ****************************************************************
- Every java.lang.VMThread object is actually an instance of this structure.
+ /* these are used for the wait/notify implementation */
+ pthread_mutex_t waitmutex;
+ pthread_cond_t waitcond;
-*******************************************************************************/
+ bool interrupted;
+ bool signaled;
+ bool sleeping;
-struct threadobject {
- java_lang_VMThread o;
- nativethread info; /* some general pthreads stuff */
- ExecEnvironment ee; /* contains our lock record pool */
+ u1 *pc; /* current PC (used for profiling) */
- /* these are used for the wait/notify implementation */
- pthread_mutex_t waitLock;
- pthread_cond_t waitCond;
- bool interrupted;
- bool signaled;
- bool isSleeping;
+ java_object_t *_exceptionptr; /* current exception */
+ stackframeinfo *_stackframeinfo; /* current native stackframeinfo */
+ localref_table *_localref_table; /* JNI local references */
- dumpinfo dumpinfo; /* dump memory info structure */
-};
+#if defined(ENABLE_INTRP)
+ Cell *_global_sp; /* stack pointer for interpreter */
+#endif
-/* monitorLockRecord ***********************************************************
+ dumpinfo_t dumpinfo; /* dump memory info structure */
- This is the really interesting stuff.
- See handbook for a detailed description.
+#if defined(ENABLE_DEBUG_FILTER)
+ u2 filterverbosecallctr[2]; /* counters for verbose call filter */
+#endif
-*******************************************************************************/
+#if !defined(NDEBUG)
+ s4 tracejavacallindent;
+ u4 tracejavacallcount;
+#endif
-struct monitorLockRecord {
- threadobject *ownerThread;
- java_objectheader *o;
- s4 lockCount;
- monitorLockRecord *nextFree;
- s4 queuers;
- monitorLockRecord *waiter;
- monitorLockRecord *incharge;
- bool waiting;
- sem_t queueSem;
- pthread_mutex_t resolveLock;
- pthread_cond_t resolveWait;
+ listnode_t linkage; /* threads-list */
};
-struct lockRecordPoolHeader {
- lockRecordPool *next;
- int size;
-};
+/* exception pointer **********************************************************/
-struct lockRecordPool {
- lockRecordPoolHeader header;
- monitorLockRecord lr[1];
-};
+#define exceptionptr (&(THREADOBJECT->_exceptionptr))
-monitorLockRecord *monitorEnter(threadobject *, java_objectheader *);
-bool monitorExit(threadobject *, java_objectheader *);
+/* stackframeinfo *************************************************************/
-bool threadHoldsLock(threadobject *t, java_objectheader *o);
-void signal_cond_for_object(java_objectheader *obj);
-void broadcast_cond_for_object(java_objectheader *obj);
-void wait_cond_for_object(java_objectheader *obj, s8 time, s4 nanos);
+#define STACKFRAMEINFO (THREADOBJECT->_stackframeinfo)
-void *thread_getself(void);
+/* counter for verbose call filter ********************************************/
-void threads_preinit(void);
-bool threads_init(u1 *stackbottom);
+#if defined(ENABLE_DEBUG_FILTER)
+# define FILTERVERBOSECALLCTR (THREADOBJECT->filterverbosecallctr)
+#endif
-void initObjectLock(java_objectheader *);
-monitorLockRecord *get_dummyLR(void);
-void initLocks();
-void initThread(java_lang_VMThread *);
+/* state for trace java call **************************************************/
-/* start a thread */
-void threads_start_thread(thread *t, functionptr function);
+#if !defined(NDEBUG)
+# define TRACEJAVACALLINDENT (THREADOBJECT->tracejavacallindent)
+# define TRACEJAVACALLCOUNT (THREADOBJECT->tracejavacallcount)
+#endif
-void joinAllThreads();
+/* functions ******************************************************************/
-void sleepThread(s8 millis, s4 nanos);
-void yieldThread();
+void threads_sem_init(sem_t *sem, bool shared, int value);
+void threads_sem_wait(sem_t *sem);
+void threads_sem_post(sem_t *sem);
-void setPriorityThread(thread *t, s4 priority);
+threadobject *threads_get_current_threadobject(void);
-void interruptThread(java_lang_VMThread *);
-bool interruptedThread();
-bool isInterruptedThread(java_lang_VMThread *);
+bool threads_init(void);
-/* This must not be changed, it is used in asm_criticalsections */
-typedef struct {
- u1 *mcodebegin;
- u1 *mcodeend;
- u1 *mcoderestart;
-} threadcritnode;
+void threads_start_thread(threadobject *thread, functionptr function);
-void thread_registercritical(threadcritnode *);
-u1 *thread_checkcritical(u1*);
+void threads_set_thread_priority(pthread_t tid, int priority);
-extern volatile int stopworldwhere;
-extern threadobject *mainthreadobj;
+bool threads_attach_current_thread(JavaVMAttachArgs *vm_aargs, bool isdaemon);
+bool threads_detach_thread(threadobject *thread);
-extern pthread_mutex_t pool_lock;
-extern lockRecordPool *global_pool;
+void threads_join_all_threads(void);
+void threads_sleep(s8 millis, s4 nanos);
-void cast_stopworld();
-void cast_startworld();
+bool threads_wait_with_timeout_relative(threadobject *t, s8 millis, s4 nanos);
-/* dumps all threads */
-void threads_dump(void);
+void threads_thread_interrupt(threadobject *thread);
+bool threads_check_if_interrupted_and_reset(void);
+bool threads_thread_has_been_interrupted(threadobject *thread);
-/* this is a machine dependent functions (src/vm/jit/$(ARCH_DIR)/md.c) */
-void thread_restartcriticalsection(ucontext_t *);
+void threads_cast_stopworld(void);
+void threads_cast_startworld(void);
#endif /* _THREADS_H */
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/
projects / cacao.git / blobdiff